package com.itheima.Test;

public class Demo1 {
    public static void main(String[] args) {
        System.out.println("hello, word!");
        System.out.println("哈哈哈！");

        System.out.println("我是dev01中新增的代码");

        System.out.println("我是master新增的代码222");
    }
}
